Setup has detected that Setup is currently running issue

Document created by asmith Employee on Apr 16, 2018Last modified by jyamada on Jan 23, 2019
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When attempting to install or upgrade Malwarebytes for Windows, you may encounter the error message below:


Setup has detected that Setup is currently running.
Please close all instances of it now, then click OK to continue, or Cancel to exit.




Malwarebytes for Windows Setup is attempting to run more than one instance.  To avoid causing upgrade issues, Malwarebytes for Windows Setup displays the error above and aborts the installation process.



If you've received the error message above, click OK to avoid running more than one instance Malwarebytes for Windows Setup, then run Malwarebytes for Windows Setup again.